(x+8)+(3x+2)=90

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Solution for (x+8)+(3x+2)=90 equation: 



(x+8)+(3x+2)=90

We move all terms to the left:

(x+8)+(3x+2)-(90)=0

We get rid of parentheses

x+3x+8+2-90=0

We add all the numbers together, and all the variables

4x-80=0

We move all terms containing x to the left, all other terms to the right

4x=80

x=80/4

x=20

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